For Hilton Head Reef - Tank 1 :
No gale warning.
The reliability of the situation is very good.
Good clear periods but cloud building. No precipitation. In the evening, very cloudy.
Possibility of showers SSW force 4 in the middle of the day weakening force 2 in the evening. Gusts reaching 23 knots in the middle of the day. Slight sea. Low, short swell from SE. Excellent visibility becoming reduced by mist in the evening.